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Search took 0.29 seconds. Search: Posts Made By: frmky
Forum: Cunningham Tables 2021-02-16, 06:32
Replies: 70
Views: 19,405
Posted By frmky
It split into P75 (just like 2,2330L) x P136.

It split into P75 (just like 2,2330L) x P136.
Forum: Factoring 2021-02-08, 06:49
Replies: 933
Views: 81,363
Posted By frmky
I was being a bit facetious. I've found it scales...

I was being a bit facetious. I've found it scales closer to d^2.5, so say a little under 6 times as long. And that computer isn't particularly fast. A rough estimate is about 2.5 months on the...
Forum: Factoring 2021-02-08, 03:15
Replies: 933
Views: 81,363
Posted By frmky
commencing linear algebra read 147295456 cycles...

commencing linear algebra
read 147295456 cycles
cycles contain 531217644 unique relations
read 531217644 relations
using 8 quadratic characters above 4294917295
building initial matrix
memory...
Forum: Factoring 2021-02-07, 21:52
Replies: 933
Views: 81,363
Posted By frmky
It's now in the official msieve SVN, so no need...

It's now in the official msieve SVN, so no need for the patch file. Just grab the latest code.
Forum: Factoring 2021-02-07, 17:39
Replies: 933
Views: 81,363
Posted By frmky
Sat Feb 6 23:19:11 2021 commencing 2-way merge ...

Sat Feb 6 23:19:11 2021 commencing 2-way merge
Sat Feb 6 23:28:47 2021 reduce to 334640603 relation sets and 328431256 unique ideals
Sat Feb 6 23:28:47 2021 commencing full merge
Sun Feb 7...
Forum: Factoring 2021-02-06, 09:02
Replies: 933
Views: 81,363
Posted By frmky
So far, so good. Gone past the place of the...

So far, so good. Gone past the place of the previous crash, and looping through clique and singleton removal now. Relations array checks are good so far.
Forum: Factoring 2021-02-05, 05:36
Replies: 933
Views: 81,363
Posted By frmky
Right before the call to delete_relations(), the...

Right before the call to delete_relations(), the relations array looks fine. At the end of delete_relations(), it's broken. I just noticed that in the loop in that function, the calculation of...
Forum: Factoring 2021-02-04, 09:03
Replies: 933
Views: 81,363
Posted By frmky
I added a check of the relations at the beginning...

I added a check of the relations at the beginning and before each major loop in purge_cliques_core() and restarted a run. I'll report back tomorrow.
Forum: Factoring 2021-02-04, 07:02
Replies: 933
Views: 81,363
Posted By frmky
And that didn't work. Same crash in the same...

And that didn't work. Same crash in the same place.

commencing duplicate removal, pass 2
found 9 duplicates and 2074342591 unique relations
memory use: 16280.0 MB
reading ideals above...
Forum: Factoring 2021-02-03, 07:37
Replies: 933
Views: 81,363
Posted By frmky
For 4, if num_reverse exceeds 2^32, then...

For 4, if num_reverse exceeds 2^32, then ideal_map[ideal].payload has definitely exceeded 2^30. As a quick and dirty check of the latter, I edited filter_priv.h to

typedef struct {
...
Forum: Factoring 2021-02-03, 06:54
Replies: 933
Views: 81,363
Posted By frmky
Yes. No success. With the start of the semester...

Yes. No success. With the start of the semester I've been very busy. Hopefully later this week or next week I'll test out some of wreck's ideas.
Forum: Factoring 2021-01-27, 02:42
Replies: 933
Views: 81,363
Posted By frmky
We’re in filter_purge_singletons_core() at...

We’re in filter_purge_singletons_core() at common/filter/singleton.c:441, looping through the relations counting the number of times that each ideal occurs. But the last relation is broken! We’re at...
Forum: Factoring 2021-01-23, 22:13
Replies: 933
Views: 81,363
Posted By frmky
There's definitely an msieve filtering bug. Good...

There's definitely an msieve filtering bug. Good to have a data set that triggers it. Unfortunate that msieve needs to run for 15 hours to trigger it. Let's see what gdb says...

commencing...
Forum: Factoring 2021-01-19, 05:43
Replies: 933
Views: 81,363
Posted By frmky
This is well outside of anything I've run. My...

This is well outside of anything I've run. My largest has been about 1 billion relations. However, if the relations are available online to download I'll be happy to play with it.
Forum: Cunningham Tables 2021-01-11, 19:18
Replies: 128
Views: 31,429
Posted By frmky
p77 factor:...

p77 factor: 51698484182534242168326415160872018219315048723158839864683994806674255960601
p140 factor:...
Forum: GpuOwl 2020-12-13, 21:45
Replies: 195
Views: 14,646
Posted By frmky
P-1 factors seem to always be reported as found...

P-1 factors seem to always be reported as found by stage 1. This leads to confusing reports like https://www.mersenne.ca/exponent/104592713. Can this be fixed easily or is this behavior intentional?
Forum: GMP-ECM 2020-11-23, 20:33
Replies: 10
Views: 1,397
Posted By frmky
Using Tom's code modified for a param 3 sigma. ...

Using Tom's code modified for a param 3 sigma.
FindGroupOrder2 := function (p, s)
K := GF(p);
x := K ! 2;
b := K ! 2^32;
a := K ! 4*s;
A := a/b-2;
b := x^3 + A*x^2 + x;
E...
Forum: GMP-ECM 2020-11-23, 09:19
Replies: 10
Views: 1,397
Posted By frmky
The group order factors as 2^6 * 5 * 7 * 1483 *...

The group order factors as 2^6 * 5 * 7 * 1483 * 1783 * 1913 * 1973 * 88339 * 196379 * 7907150747 so it should always be found with B1=2e5, B2=8e9. Not sure why B2=1e9 works, though.
Forum: GpuOwl 2020-11-22, 01:36
Replies: 195
Views: 14,646
Posted By frmky
Using nVidia OpenCL, I also need to add ...

Using nVidia OpenCL, I also need to add

#include <iomanip>

to Gpu.cpp to get it to compile.
Forum: NFS@Home 2020-11-14, 04:57
Replies: 1,828
Views: 130,334
Posted By frmky
wfm

wfm
Forum: GpuOwl 2020-11-02, 00:50
Replies: 195
Views: 14,646
Posted By frmky
Just tried to update to 7.2 and got the following...

Just tried to update to 7.2 and got the following error
Gpu.cpp:37:15: error: static_assert expression is not an integral constant expression
static_assert(sinl(M_PI) != sin(M_PI));
...
Forum: GpuOwl 2020-11-01, 19:25
Replies: 195
Views: 14,646
Posted By frmky
Can we upgrade in the middle of a PRP run with...

Can we upgrade in the middle of a PRP run with 7.1?
Forum: NFS@Home 2020-10-31, 03:20
Replies: 101
Views: 8,520
Posted By frmky
I requeued it.

I requeued it.
Forum: NFS@Home 2020-10-31, 03:03
Replies: 116
Views: 10,042
Posted By frmky
I canceled the WUs on the server. When they next...

I canceled the WUs on the server. When they next connect to the server, those WUs will be canceled locally.
Forum: Hardware 2020-10-30, 04:23
Replies: 160
Views: 15,352
Posted By frmky
Hijacking the thread, KNL works well enough for...

Hijacking the thread, KNL works well enough for msieve LA if you are careful. Be sure to put one MPI thread on each tile. Sharing threads across tiles REALLY slows it down. And keep everything in...
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